Table 1 Cleaning solution
Contamination Cleaning solution Active component Soak time
General
contamination
Electrode cleaning solution for
regular maintenance
KATHON
™
CG,
DECONEX
®
11
12–16 hours
Minerals Electrode cleaning solution for
minerals/inorganic
contamination
Phosphoric acid
(~10%)
10–15 minutes
Fats, grease and oils Electrode cleaning solution for
fats, oils and grease
contamination
KATHON
™
CG,
TRITON
®
X
2 hours maximum
Proteins Electrode cleaning solution for
proteins/organic
contamination
Pepsin in HCl 3 hours maximum
Wastewater and
organic compounds
Electrode cleaning solution,
extra strong
Sodium hypochlorite 5–10 minutes
8.2 Fill the probe
Add electrolyte filling solution to the probe regularly to make sure that the electrolyte flows from the
probe to the sample. Refer to Figure 5. Make sure to use the correct filling solution (2.44 M KCl).
Note: If the dispensing tip becomes clogged, remove the dispensing tip and soak the tip in warm water. Then, fully
dry and assemble the tip again.
Figure 5 Fill the probe
12 English
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